You Save: $6.22 (31%)Get $3 back on the 3M Headlight Lens Restoration System via mail-in rebate--offer valid through March 31, 2011. In the past, replacing scratched, clouded or yellowed plastic headlight covers was an expensive necessity in order to preserve safety. But now with the 3M Headlight Lens Restoration System, car and motorcycle owners can shine and restore plastic lenses — including headlights, tail lights, fog and directional lights — to like-new condition for a fraction of the cost.Expires Dec 11, 2010